Extruder Screw Elements Manufacturer
Nanjing Sikerun Machinery Co., Ltd. was founded in 2012, with a factory facility spanning 25,000 square meters.
Mission & Philosophy: Technology‑based, Quality‑driven. Core Products: Twin‑screw extruder screws, Screw element,Screw shafts, Barrels, Liquid‑injection nozzles, Extruder dies, and on‑site measurement & surveying services.
We specialize in the R&D and manufacturing of parallel twin‑screw extruders and associated components. Our high‑performance screw assemblies deliver outstanding wear and corrosion resistance. We supply more than 90% of extruder machinery manufacturers across Nanjing. Backed by first‑class product quality, our component precision is among the leading standards in China.
InterPlas Thailand 2026 - International Plastics Machinery and Technology Exhibition
Exclusive On-Site Technical Mapping & Surveying Service in Egypt!
To better serve our global clients, our technical engineering team will be touring Egypt from July 15th to July 20th, 2026. During this period, we are proud to offer FREE, highly precise on-site surveying and technical mapping services for local plastic processing and compounding factories.
Time: July 15–20, 2026
How to Book: Click the button
SKR provides accessories for extrusion core components.
Corrosion resistance, wear resistance, good comprehensive performance, wide application.
Single – flighted/Double – flighted/SK Screw Element
High-speed tool steel W6Mo5Cr4V2, wear-resistant, vacuum quenching treated.
SME/TME/ZME Screw Element
Tool Steel: W6Mo5Cr4V2. PM-HIP material:WR5,WR13,WR14,CPM10V,CPM9V.
24-hour surveying and mapping, providing customized services based on customer products
38CrMoAlA ,45 steel+α101/α301,High performance alloy: SAM26
Alloy sleeves and barrels, baffles, etc. are available. Alloy sleeves are available in double C and integrated styles.
Quick screen change, uninterrupted material flow, no machine downtime for screen change, internal heating, good thermal efficiency
The spray gun can be adjusted to spray the liquid in atomized form, so that it can be mixed with the powder more fully. The flow rate can be adjusted to produce different atomization effects and improve the stability of granulation.
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SKR Blog

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Get In Touch
If you would like to have a question then get in touch today, we are ready to assist 24/7.
We welcome your cooperation and we will develop with you.
- We provide you with the following free items
- Factory tour and visit (book in advance)
- Free incoming parts mapping and technical support
- Free product research and material selection suggestions
- Free samples (limited reservations)
- Free design and quotation